Specifies which database user name(s) this record
matches. The value <literal>all</literal> specifies that it
matches all users. Otherwise, this is either the name of a specific
- database user, a regular expression (when starting with a slash
+ database user, a regular expression when starting with a slash
(<literal>/</literal>), or a group name preceded by <literal>+</literal>.
(Recall that there is no real distinction between users and groups
in <productname>PostgreSQL</productname>; a <literal>+</literal> mark really means
<literal>siglen</literal> determines the
signature length in bytes. The default signature length is 8 bytes.
The length must be a positive multiple of <type>int</type> alignment
- (4 bytes on most machines)) up to 2024. Longer
+ (4 bytes on most machines) up to 2024. Longer
signatures lead to a more precise search (scanning a smaller fraction of the index and
fewer heap pages), at the cost of a larger index.
</para>
<varname>attnum</varname> (1-based) is a member of this bitmap set,
call <literal>bms_is_member(attnum -
FirstLowInvalidHeapAttributeNumber,
- trigdata->tg_updatedcols))</literal>.
+ trigdata->tg_updatedcols)</literal>.
</para>
<para>